Mark is in charge of the fundraiser for his church. He is selling pre-sale tickets for $10 and at-the-door tickets for $15. The venue has the capacity to hold 300 people. The graph represents the number of raffle tickets he needs to sell to offset the upfront costs and raise $3,500:

Graph with x axis labeled pre sale tickets and y axis labeled at the door tickets. There are two lines intersecting at two hundred comma one hundred.

How many at-the-door tickets must he sell to make his goal?

350
300
200
100